/* --- HERO BADGES --- */
    .hero-badge-group {
        display: flex;
        gap: 10px;
        margin-bottom: 25px;
        flex-wrap: wrap;
    }

    .hero-badge {
        background: rgba(108, 62, 244, 0.1);
        border: 1px solid var(--primary);
        color: var(--primary);
        padding: 6px 14px;
        border-radius: 30px;
        font-size: 12px;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

    /* --- IMAGE CARDS (Categories & Platforms) --- */
    .img-card {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: 20px;
        overflow: hidden;
        transition: 0.3s;
        display: flex;
        flex-direction: column;
    }

    .img-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--hover-shadow);
        border-color: var(--primary);
    }

    .img-card-top {
        height: 180px;
        overflow: hidden;
    }

    .img-card-top img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: 0.5s;
    }

    .img-card:hover .img-card-top img {
        transform: scale(1.08);
    }

    .img-card-body {
        padding: 25px;
        position: relative;
    }

    .floating-icon {
        width: 50px;
        height: 50px;
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        color: #fff;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        position: absolute;
        top: -25px;
        left: 25px;
        box-shadow: 0 5px 15px rgba(108, 62, 244, 0.4);
    }

    .pill-badge {
        display: inline-block;
        padding: 4px 12px;
        border-radius: 20px;
        margin-top: 15px;
        font-size: 12px;
        background: var(--bg-body);
        border: 1px solid var(--border-color);
        color: var(--text-muted);
        font-family: 'JetBrains Mono', monospace;
    }

    /* --- OVERLAPPING IMAGES (CCTA) --- */
    .overlap-group {
        display: flex;
        justify-content: center;
        align-items: center;
        position: relative;
        height: 350px;
    }

    .overlap-img {
        border-radius: 16px;
        border: 2px solid var(--border-color);
        box-shadow: var(--card-shadow);
        position: absolute;
        transition: 0.5s;
        object-fit: cover;
    }

    .overlap-img:nth-child(1) {
        width: 200px;
        height: 260px;
        left: 10%;
        transform: rotate(-5deg);
        z-index: 1;
    }

    .overlap-img:nth-child(2) {
        width: 240px;
        height: 320px;
        z-index: 2;
    }

    .overlap-img:nth-child(3) {
        width: 200px;
        height: 260px;
        right: 10%;
        transform: rotate(5deg);
        z-index: 1;
    }

    .overlap-group:hover .overlap-img:nth-child(1) {
        transform: rotate(-10deg) translateX(-20px);
    }

    .overlap-group:hover .overlap-img:nth-child(3) {
        transform: rotate(10deg) translateX(20px);
    }

    .overlap-group:hover .overlap-img:nth-child(2) {
        transform: scale(1.05);
    }

    /* --- BACKGROUND OVERLAY CARDS (Instruments) --- */
    .bg-card {
        border-radius: 20px;
        overflow: hidden;
        height: 280px;
        position: relative;
        transition: 0.4s;
        border: 1px solid var(--border-color);
    }

    .bg-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--hover-shadow);
        border-color: var(--primary);
    }

    .bg-image {
        position: absolute;
        inset: 0;
        background-size: cover;
        background-position: center;
        transition: 0.6s;
    }

    .bg-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(to top, #0a0b1e 0%, rgba(10, 11, 30, 0.2) 100%);
    }

    .bg-card:hover .bg-image {
        transform: scale(1.1);
    }

    .bg-content {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        padding: 25px;
        z-index: 2;
    }

    .bg-icon {
        width: 45px;
        height: 45px;
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(5px);
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        color: #fff;
        margin-bottom: 15px;
        border: 1px solid rgba(255, 255, 255, 0.2);
    }

    /* --- SPEC LIST (Conditions) --- */
    .spec-list {
        list-style: none;
        padding: 0;
        margin-top: 20px;
    }

    .spec-list li {
        display: flex;
        justify-content: space-between;
        padding: 10px 0;
        border-bottom: 1px dashed var(--border-color);
        font-size: 14px;
        color: var(--text-muted);
    }

    .spec-list li span {
        color: var(--primary);
        font-weight: 600;
        font-family: 'JetBrains Mono', monospace;
    }

    .spec-list li:last-child {
        border-bottom: none;
    }

    /* --- timelines (Learn Section) --- */
    .timelines {
        position: relative;
        max-width: 800px;
        margin: 40px auto 0;
        padding-left: 30px;
        border-left: 2px solid var(--border-color);
    }

    .timelines-step {
        position: relative;
        margin-bottom: 30px;
    }

    .timelines-step:last-child {
        margin-bottom: 0;
    }

    .timelines-dot {
        width: 16px;
        height: 16px;
        background: var(--primary);
        border-radius: 50%;
        position: absolute;
        left: -39px;
        top: 20px;
        box-shadow: 0 0 0 4px var(--bg-body), 0 0 0 8px var(--primary-glow);
    }

    .timelines-card {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        padding: 20px 25px;
        border-radius: 16px;
        display: flex;
        align-items: center;
        gap: 20px;
        transition: 0.3s;
    }

    .timelines-card:hover {
        border-color: var(--primary);
        transform: translateX(5px);
    }

    .timelines-icon {
        width: 50px;
        height: 50px;
        flex-shrink: 0;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        color: #fff;
    }

    /* Responsive */
    @media (max-width: 900px) {
        .overlap-group {
            height: auto;
            flex-direction: column;
            gap: 20px;
        }

        .overlap-img {
            position: relative;
            transform: none !important;
            left: auto !important;
            right: auto !important;
            width: 100% !important;
            height: auto !important;
        }

        .timelines {
            padding-left: 0;
            border-left: none;
        }

        .timelines-dot {
            display: none;
        }

        .timelines-card {
            flex-direction: column;
            text-align: center;
        }
    }